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Community Water System · PWS AR0000472

Sunset Water Association

Marion, Arkansas 72364 - drinking water served from groundwater sources to 710 people, tracked in EPA SDWIS and UCMR5.

710
People served
62
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 62 drinking-water violations at Sunset Water Association, 10% of them health-based - above the Arkansas per-system average.

62
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
710
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sunset Water Association

Sunset Water Association is a local-owned community water system that delivers drinking water to 710 residents in Marion, Arkansas (Crittenden County) through 275 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 62 total violations for this system , of which 6 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 26 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 23 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arkansas, EPA tracks 1,016 public water systems serving 3,049,400 people, with 53,437 cumulative violations and 21,598 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 52.6 violations. Statewide, 57 of 172 UCMR5-tested systems have reported PFAS detections (33.1%).

Sunset Water Association's 62 violations sit above the Arkansas average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
710
Total Violations
62
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
275
County
Crittenden
School/Daycare
No
MCL Violations
6
Monitoring Violations
26
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2009
Coliform (TCR) Other 6 1995
Coliform (TCR) MCL 6 2001
Consumer Confidence Rule Other 3 2010
Revised Total Coliform Rule RPT 2 2021
Revised Total Coliform Rule MON 2 2019
Revised Total Coliform Rule Other 1 2018
Lead and Copper Rule MR 1 2010

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Sunset Water Association.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AR0000472 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arkansas Drinking Water Authority

Arkansas's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find AR regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2021 Revised Total Coliform Rule RPT 2 SDWIS / AR0000472 / 8000
2019 Revised Total Coliform Rule MON 2 SDWIS / AR0000472 / 8000
2018 Revised Total Coliform Rule Other 1 SDWIS / AR0000472 / 8000
2010 Consumer Confidence Rule Other 3 SDWIS / AR0000472 / 7000
2010 Lead and Copper Rule MR 1 SDWIS / AR0000472 / 5000
2009 Coliform (TCR) MR 23 SDWIS / AR0000472 / 3100
2001 Coliform (TCR) MCL 6 SDWIS / AR0000472 / 3100
1995 Coliform (TCR) Other 6 SDWIS / AR0000472 / 3100

How Sunset Water Association Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Sunset Water Association Arkansas avg Federal benchmark
Total violations 62 52.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 21.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 33.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 710 3,001 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,016 regulated public water systems in Arkansas.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Sunset Water Association water safe to drink? ▼
Sunset Water Association (PWS ID: AR0000472) has 62 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 710 people using Groundwater sources.
How many people does Sunset Water Association serve? ▼
Sunset Water Association serves 710 people in Marion, Arkansas. It is a Local-owned system using Groundwater water sources with 275 service connections.
What type of violations does Sunset Water Association have? ▼
Sunset Water Association has 62 total violations: 6 health-based violations (MCL exceedances or treatment failures), 26 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sunset Water Association water? ▼
No PFAS testing data is available for Sunset Water Association under the EPA's UCMR5 monitoring program.
What water source does Sunset Water Association use? ▼
Sunset Water Association uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.